noun
sailfin molly; Yucatan molly
A species of livebearing freshwater fish native to the Yucatán Peninsula, popular in aquariums. Scientific name: Poecilia velifera.
セイルフィンモーリーは、大きな背びれが特徴的な熱帯魚です。
The sailfin molly is a tropical fish characterized by its large dorsal fin.